Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
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Many believe that if all of the candles on a birthday cake are blown out with one breath, while making a silent wish, the wish will come true.
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When you speak of bad luck, it is said that one should always knock on wood. Also knocking when speaking of good luck apparently helps with having good luck. This is an old Celtic tradition related to belief of wood spirits.
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Placing a hat on the bed is, apparently, bad luck. (South Carolina)
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It's bad luck to leave a house through a different door than the one used to come into it.
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In some parts of England, rum is used to wash a baby's head for good luck.
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If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
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Placing keys on a table is considered unlucky. (Sweden)
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